about SGA
Elevating communities & places through thoughtful design
Rediscovering Identity.
Reinvigorating Places.
Empowering Communities.
Envisioning Experiences.

Stromberg/Garrigan & Associates, Inc., is a community planning, urban design, and landscape architecture consulting firm focused on the revitalization of established communities and the creative development of new places. The firm has offices in Jenkintown, PA (Philadelphia Metro), Pittsburgh, PA, and Norfolk, VA.
The primary focus of the firm’s work is the clean-up and revitalization of brownfields and environmentally contaminated properties. Whether to attract private investment through the development of new buildings or the creation of new public resources, such as parks and public spaces, SGA works closely with our clients to develop viable and implement-able solutions that transform community liabilities into treasured assets.
Integrity
Our team exemplifies personal and professional integrity. We believe in shared accountability, ownership, and recognition.
Passion
We are passionate about delivering the best possible solution to our client through innovative design that advances the state-of-the-art design practice.
Collaboration
Multi-disciplinary thought, background, and place adds value to our practice and design philosophy.
Core Values
Core values define a company’s beliefs, guide decision-making and foster a unified culture. They focus collective efforts on shared goals, ensuring alignment with the company’s mission and creating a purpose-driven work environment. At SGA, we strive for greatness through our six core values.
Stewardship
We recognize that our decisions today will impact places and communities in the future, and it is our responsibility to do right by our environment.
Practicality
Focused on tangible success.
Growth
We believe learning never stops and continuously improves through professional development and constructive feedback.
Our team

Timothy Stromberg
PLA, CBLP, ASLA
Principal / Landscape Architect

Sean Garrigan
RLA, AICP, ASLA
Principal / Landscape Architect

Mike Fox
PLA, ASLA
Principal / Landscape Architect

Ashlie Ranhorn
Principal / Chief Administrative Officer

Jessica Stuck
AIA, CCS, CDT, LEED AP
Architecture Practice Leader

Jarrod Katzer
PLA, ASLA, VNLA
Senior Landscape Architect

Michael Stromberg
PE
Professional Engineer

Jenna Wargo
AICP
Senior Project Planner

Feifei Huang
Landscape Designer

Alex White
Landscape Designer

Hejing Feng
Landscape Designer

Yuehui Gong
Landscape Designer

Lucinda Bartley
Landscape Designer

Owen Baylosis
Project Planner/GIS Specialist

Becky Weyant
Administrative Assistant
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